21570304

素因数分解:

$2^8\times 7^1\times {\mathrm{12037}}^1$

素因数の和:12060

約数の個数: 36

約数和(自身を含む): 49211344

約数和(自身を除く): 27641040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 12037, 24074, 48148, 84259, 96296, 168518, 192592, 337036, 385184, 674072, 770368, 1348144, 1540736, 2696288, 3081472, 5392576, 10785152, 21570304]

約数ペア:

[(1, 21570304), (2, 10785152), (4, 5392576), (7, 3081472), (8, 2696288), (14, 1540736), (16, 1348144), (28, 770368), (32, 674072), (56, 385184), (64, 337036), (112, 192592), (128, 168518), (224, 96296), (256, 84259), (448, 48148), (896, 24074), (1792, 12037)]